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Table 7 Risk of critically low and fairly low Apgar scores compared to normal Apgar score, by maternal country of birth: 1997–2010 (n = 347,794)

From: Are preterm birth and intra-uterine growth restriction more common in Western Australian children of immigrant backgrounds? A population based data linkage study

Apgar

5mins

ANI

(n = 233,250)

AI

(n = 20,325)

FB-LIC

(n = 2910)

FB-LMIC

(n = 18,019)

FB-UMIC

(n = 17,537)

FB-HIC

(n = 55,753)

n

cRRR, (95%CI)

aRRRa (95%CI)

n

cRRR, (95%CI)

aRRRa (95%CI)

n

cRRR, (95%CI)

aRRRa (95%CI)

n

cRRR, (95%CI)

aRRRa (95%CI)

n

cRRR, (95%CI)

aRRRa (95%CI)

n

cRRR, (95%CI)

aRRRa (95%CI)

Critically low

1800

Ref

Ref

379

2.46 (2.20, 2.75)

2.03 (1.79, 2.31)

34

1.54 (1.09, 2.16)

1.52 (1.08, 2.15)

144

1.03 (0.87, 1.23)

1.07 (1.90, 1.27)

12,133

0.98 (0.82, 1.17)

1.02 (0.86, 1.22)

420

0.98 (0.88, 1.09)

0.98 (0.88, 1.09)

Fairly low

2162

Ref

Ref

350

1.89 (1.69, 2.12)

1.58 (1.391, 1.79)

55

2.07 (1.58, 2.71)

2.17 (1.65, 2.84)

158

0.95 (0.80, 1.11)

0.99 (0.83, 1.16)

123

0.75 (0.63, 0.91)

0.80 (0.67, 0.97)

520

1.01 (0.91, 1.11)

1.06 (0.96, 1.16)

Normal

233,250

19,596

2821

17,717

17,281

54,813

  1. ANI Australian-born mothers of non-Indigenous backgrounds, AI Australian-born mothers of Indigenous background, FB-LIC foreign-born mothers from low-income countries, FB-LMIC foreign-born mothers from lower-middle-income countries, FB-UMIC foreign-born mothers of upper-middle-income countries, FB-HIC foreign-born mothers from high-income countries, cRRR crude relative risk ratio, aRRR adjusted relative risk ratio, CI confidence interval, Ref reference group
  2. a Adjusted for parity, birth year, SEIFA score, maternal smoking status, maternal age, and sex